Very good, but don't give unattended
I have a very picky middle aged Siamese, but she loves these, (likes all flavours, I haven't yet tried her with Prawn).
I only have to shake the tube and she's there.
I sometimes crumble a piece onto food, which has made her clear the plate.
Most pieces are too large to give whole, break them up first.
On one occasion (& it's never happened again) a piece got stuck in her mouth, on the mouth roof I think, & she started clawing at her mouth - I just flicked the piece free - this is why I say, treat them literally as treats, with you there in attendence. I don't have any qualms about giving her them, but I stay around to make sure all is well.